Bobby Diniotis, M.D.
NPI 1215348149ActiveIndividual· Hospitalist· Chicago, IL
Hospitalist (M.D.) with Insight Chicago Inc, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $140,202 for 579 claims, against $76,669 paid for services in 2024. Abbott Laboratories was the largest of 22 companies reporting payments in 2025, $2,754 in all, mostly food and beverage. Lists Advocate Christ Hospital & Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1215348149 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 13, 2014 |
| Last updated in NPPES | Dec 8, 2022 |
| Certified by provider | Dec 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036.143529 | IL |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036143529 | IL |
| Internal Medicine | 207R00000X | 125.064329 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 1,163 across 52 procedure codes |
| Paid by Medicare | $76,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 579 · 1,266 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $140,202 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Insight Chicago IncChicago, IL · 141 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Insight Hospital and Medical Center ChicagoChicago, IL
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$2,754 · 79 payments from 22 companies
- 2024$2,199 · 68 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,230 | 24 |
| Abiomed | $397.01 | 8 |
| Amgen Inc. | $139.23 | 7 |
| Astrazeneca Pharmaceuticals LP | $113.21 | 6 |
| Novartis Pharmaceuticals Corporation | $105.23 | 5 |
What the 2025 payments were for
- Food and Beverage$2,402 · 77 payments
- Travel and Lodging$352.06 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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